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Skip to Search Results- 1Carew, Michael W
- 1Donner, Mark
- 1Fernandopulle, Shimal Chamikara
- 1Fortin, Barbra Linda
- 1Fu, You
- 1Menchen, Steven M.
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Fall 2015
Selenium is an essential trace element nutrient for human life, but it can be extremely toxic if taken excess. Various adsorbents have been applied for the removal of selenium from water but performed poorly in the removal of Se (VI), which is more bioavailable and more difficult to remove....
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Natural and anthropogenic inputs of arsenic and selenium to the environment in the Athabasca Bituminous Sands Region
DownloadSpring 2019
Industrial development of the Athabasca Bituminous Sands (ABS) in northern Alberta, Canada, has raised concerns that emissions of arsenic and selenium to the surrounding landscape and waterbodies have been increasing over time. To test this hypothesis, a comprehensive study of arsenic and...
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Fall 2009
Omega-3 polyunsaturated fatty acids (n-3 PUFA) enriched eggs are an increasingly important contributor to the egg industry due to the health benefits of n-3 PUFA. During storage and cooking, n-3 PUFA could undergo oxidation and further cause cholesterol oxidation. This study examined stability of...
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Spring 2010
I investigated, water, invertebrates and fishes from lakes in Banff National Park and Kananaskis Country, Alberta for selenium (Se), an element known to be toxic to vertebrates. At some depths, Se concentrations in sediment exceeded recognized thresholds for bird and fish reproductive...
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Fall 2012
Fernandopulle, Shimal Chamikara
The first chapter of this thesis describes the development of a general route for the generation of selenium stabilized carbanions via a method that bypasses acid catalyzed formation of selenoacetals. Aldehydes are first converted into α-hydroxystannanes by nucleophilic addition of Bu3SnLi. The...
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Spring 2014
Arsenic is a potent environmental contaminant and human carcinogen, occurring naturally in the earth’s crust and entering the food chain through leeching into the water supply. Upon entering the body, inorganic arsenic is methylated to mono- and di-methylated forms, the trivalent versions of...
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Water-Dispersible Magnetic Particle-Graphene Oxide Composites: Synthesis, Characterization and Application in the Removal of Selenium Oxyanions
DownloadSpring 2014
Selenium is toxic in excess with a high mobility in water. Existing adsorbents only show some removal capacity for selenite but perform poorly (typical removal percentage < 50 %) for selenate, the more bioavailable and soluble species. In this thesis, two Magnetic particle-Graphene Oxide...